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Creation of Coating Surfaces Possessing Superhydrophobic and Superoleophobic Characteristics With Fluoroalkyl End-Capped Vinyltrimethoxysilane Oligomeric Nanocomposites Having Biphenylene Segments

Creation of Coating Surfaces Possessing Superhydrophobic and Superoleophobic Characteristics With Fluoroalkyl End-Capped Vinyltrimethoxysilane Oligomeric Nanocomposites Having Biphenylene Segments

Yuki Goto, Hiroki Takashima, Katsuhisa Takishita, Hideo Sawada

J Colloid Interface Sci. 2011 Oct 15;362(2):375-81.

PMID: 21782196

Abstract:

Fluoroalkyl end-capped vinyltrimethoxysilane oligomeric nanocomposites having biphenylene units [R(F)-(VM-SiO(2))(n)-R(F)/Ar-SiO(2)] were prepared by the sol-gel reaction of the corresponding oligomer [R(F)-(VM)(n)-R(F)] with 4,4'-bis(triethoxysilyl)-1,1'-biphenyl [Ar-Si(OEt)(3)] under alkaline conditions. R(F)-(VM-SiO(2))(n)-R(F)/Ar-SiO(2) nanocomposites were applied to the surface modification of PMMA to exhibit not only a good oleophobicity imparted by fluorine but also a fluorescent emission ability on the surface. Methanol sol solutions of R(F)-(VM-SiO(2))(n)-R(F)/Ar-SiO(2) nanocomposites were effective for the surface modification of glass through the dipping technique to exhibit good oleophobicity with superhydrophobicity on the modified glass surface. On the other hand, 1,2-dichloroethane sol solutions enabled R(F)-(VM-SiO(2))(n)-R(F)/Ar-SiO(2) nanocomposites to exhibit both superhydrophobic and superoleophobic characteristics on the modified surface through dipping the glass in these sol solutions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP123640937	4,4′-Bis(triethoxysilyl)-1,1′-biphenyl		123640-93-7	Price

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